package com.jt.service;


import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.jt.mapper.ItemCatMapper;
import com.jt.mapper.ItemDescMapper;
import com.jt.mapper.ItemMapper;
import com.jt.pojo.Item;
import com.jt.pojo.ItemDesc;
import com.jt.vo.ItemVO;
import com.jt.vo.PageResult;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.util.StringUtils;

import java.util.List;

@Service
public class ItemServiceImpl implements ItemService {
    @Autowired
    private ItemMapper itemMapper;

    @Autowired
    private ItemDescMapper itemDescMapper;

    @Override
    public PageResult getItemList(PageResult pageResult) {
        Page<Item> page = new Page<>(pageResult.getPageNum(),pageResult.getPageSize());
        QueryWrapper<Item> queryWrapper = new QueryWrapper<>();
        boolean flag = StringUtils.hasLength(pageResult.getQuery());
        queryWrapper.like(flag, "title", pageResult.getQuery());
        page = itemMapper.selectPage(page, queryWrapper);
//        System.out.println(page.getRecords().size());
        return pageResult.setTotal(page.getTotal())
                .setRows(page.getRecords());
    }

    @Override
    @Transactional
    public void updateItemStatus(Item item) {
        itemMapper.updateById(item);
    }

    @Override
    @Transactional
    public void deleteItemById(Integer id) {
        itemMapper.deleteById(id);
        itemDescMapper.deleteById(id);

    }

    @Override
    @Transactional
    public void saveItem(ItemVO itemVO) {
        Item item = itemVO.getItem();
        item.setStatus(true);
        itemMapper.insert(item);

        ItemDesc itemDesc = itemVO.getItemDesc();
        itemDesc.setId(item.getId());
        itemDescMapper.insert(itemDesc);
    }

    @Override
    @Transactional
    public void updateItem(Item item) {
        itemMapper.updateById(item);
    }
}
